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        <title>coding spirit - devop</title>
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       <dc:date>2026-04-27T23:07:17+00:00</dc:date>
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        <title>coding spirit</title>
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        <dc:date>2022-12-21T19:58:05+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>packages with debian/ubuntu</title>
        <link>https://codingspirit.de/dokuwiki/doku.php?id=devop:apt&amp;rev=1671652685&amp;do=diff</link>
        <description>packages with debian/ubuntu

list installed packages

&lt;https://askubuntu.com/questions/17823/how-to-list-all-installed-packages&gt;


apt list --installed

dpkg --get-selections | grep &lt;bla&gt;
dpkg --get-selections | grep -v deinstall &gt;list.txt

dpkg --get-selections &gt; list.txt

# clear: to deinstall any packages not in list given to following --set-selections.
dpkg --clear-selections
sudo dpkg --set-selections &lt; list.txt</description>
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        <dc:date>2023-01-08T07:55:20+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>CSV: comma separated values</title>
        <link>https://codingspirit.de/dokuwiki/doku.php?id=devop:csv&amp;rev=1673164520&amp;do=diff</link>
        <description>CSV: comma separated values

see also Plotting

Tools

	*  A fast CSV command line toolkit written in Rust
		*  &lt;https://github.com/BurntSushi/xsv&gt;

	*  Python curses command line CSV and tabular data viewer
		*  &lt;https://github.com/TabViewer/tabview&gt;

	*  csvkit is a suite of command-line tools for converting to and working with CSV</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2022-07-27T20:22:08+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Flash Friendly File System (F2FS)</title>
        <link>https://codingspirit.de/dokuwiki/doku.php?id=devop:f2fs&amp;rev=1658953328&amp;do=diff</link>
        <description>Flash Friendly File System (F2FS)

For Pis like Raspberry-Pi, OrangePi or other models, which boot from micro-SD card, i would recommend F2FS to increase its lifetime.

But, in general, an F2FS formatted micro-SD with an USB-adapter is to be preferred over USB-memory-sticks:</description>
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        <dc:date>2024-10-13T01:00:47+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Kryptografie</title>
        <link>https://codingspirit.de/dokuwiki/doku.php?id=devop:krypto&amp;rev=1728781247&amp;do=diff</link>
        <description>Kryptografie

Grundbegriffe

	*  Vertraulichkeit: Unbefugte können nicht mitlesen
	*  Integrität: Nachricht ist unverändert
	*  Authentizität: Urheber/Autor der Nachricht steht eindeutig fest
	*  Schlüsselaustausch: sensibler Prozess. Oft wird extra Kanal zum Austausch von Schlüsseln bzw zur Verifikation der Echtheit verwendet - um einen</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2022-07-11T21:45:23+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>screen</title>
        <link>https://codingspirit.de/dokuwiki/doku.php?id=devop:screen&amp;rev=1657575923&amp;do=diff</link>
        <description>screen

keep running sessions despite logout

some tutorials

&lt;https://www.howtogeek.com/662422/how-to-use-linuxs-screen-command/&gt;

&lt;https://www.itzgeek.com/how-tos/linux/how-to-use-linux-screen-command.html&gt;

&lt;https://www.cloudbooklet.com/how-to-use-linux-screen-command/&gt;

&lt;https://unix.stackexchange.com/questions/40242/scroll-inside-screen-or-pause-output&gt;

~/.screenrc

i slightly modified - based on &lt;https://linuxize.com/post/how-to-use-linux-screen/&gt;


# Turn off the welcome message
# startu…</description>
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        <dc:date>2023-12-26T04:27:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Linux Terminal / bash</title>
        <link>https://codingspirit.de/dokuwiki/doku.php?id=devop:terminal&amp;rev=1703564834&amp;do=diff</link>
        <description>Linux Terminal / bash

Shutdown later (at)

&lt;https://www.computerhope.com/unix/uat.htm&gt;

when leaving office with running processes


sudo at 20:55
shutdown -h now
  # press Ctrl + d

# relative:
sudo at now + 2 hours
sudo at now + 30 minutes


Lock screen (usually Windows key + L) and leave</description>
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        <dc:date>2024-04-18T06:43:10+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Tools</title>
        <link>https://codingspirit.de/dokuwiki/doku.php?id=devop:tools&amp;rev=1713422590&amp;do=diff</link>
        <description>Tools

Text Editor

	*  Notepad++ (also in PortableApps)
		*  &lt;https://notepad-plus-plus.org/&gt;

	*  Geany (also in PortableApps)
		*  &lt;https://www.geany.org/&gt;


Diff

	*  Meld
		*  &lt;https://meldmerge.org/&gt;

	*  WinMerge
		*  &lt;https://winmerge.org/?lang=en&gt;

	*  icdiff
		*  &lt;https://github.com/jeffkaufman/icdiff&gt;


Hex Editor

	*  ImHex
		*  &lt;https://imhex.werwolv.net/&gt;

	*  mirkes Tiny Hexer
		*  &lt;https://www.portablefreeware.com/forums/viewtopic.php?t=20657&gt;
		*  &lt;https://www.chip.de/downloads/…</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2022-08-09T21:49:28+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>VPN</title>
        <link>https://codingspirit.de/dokuwiki/doku.php?id=devop:vpn&amp;rev=1660081768&amp;do=diff</link>
        <description>VPN

some (mostly german) comparisons

	*  &lt;https://vpnoverview.com/&gt;
	*  &lt;https://www.netzwelt.de/vergleich/vpn-anbieter-vergleich-2022-20-besten-vpn-dienste-test.html&gt;
	*  &lt;https://www.heise.de/download/specials/Anonym-surfen-mit-VPN-Die-besten-VPN-Anbieter-im-Vergleich-3798036&gt;
	*  &lt;https://www.privacytutor.de/vpn/test/&gt;
	*  &lt;https://www.chip.de/artikel/VPN-Test-Die-besten-Anbieter-im-Vergleich_182800063.html&gt;
	*  &lt;https://www.computerbild.de/bestenlisten/cb-Bestenlisten-Technik-VPN-Test-3108…</description>
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